23538899 has 8 divisors (see below), whose sum is σ = 23922912. Its totient is φ = 23158080.

The previous prime is 23538881. The next prime is 23538947. The reversal of 23538899 is 99883532.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23538899 - 2⁸ = 23538643 is a prime.

It is a super-2 number, since 2×23538899² = 1108159532264402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23538839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17159 + ... + 18479.

It is an arithmetic number, because the mean of its divisors is an integer number (2990364).

Almost surely, 2^23538899 is an apocalyptic number.

23538899 is a deficient number, since it is larger than the sum of its proper divisors (384013).

23538899 is a wasteful number, since it uses less digits than its factorization.

23538899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597.

The product of its digits is 466560, while the sum is 47.

The square root of 23538899 is about 4851.6903240005. The cubic root of 23538899 is about 286.5906704685.

The spelling of 23538899 in words is "twenty-three million, five hundred thirty-eight thousand, eight hundred ninety-nine".